static bool AllowCopyOrMove(FileItemPathInfo pathInfo, FileItemPathInfo destinationPathInfo)
{
var sourcePathParts = pathInfo.GetPathParts <int>();
var destinationPathParts = destinationPathInfo.GetPathParts <int>();
if (destinationPathParts.Length < sourcePathParts.Length)
{
return(true);
}
var isValid = false;
for (var i = 0; i < destinationPathParts.Length && !isValid; i++)
{
isValid = destinationPathParts[i].Key != sourcePathParts[i].Key;
}
return(isValid);
}
bool IsFileItemExists(FileItemPathInfo pathInfo)
{
var clientPathParts = pathInfo.GetPathParts <int>();
var pathKeys = clientPathParts.Select(p => p.Key).ToArray();
var foundEntries = FileManagementDbContext.FileItems
.Where(item => pathKeys.Contains(item.Id))
.Select(item => new { item.Id, item.ParentId, item.Name, item.IsDirectory });
var isDirectoryExists = true;
for (var i = 0; i < clientPathParts.Length && isDirectoryExists; i++)
{
var entry = foundEntries.FirstOrDefault(e => e.Id == clientPathParts[i].Key);
isDirectoryExists = entry != null && entry.Name == clientPathParts[i].Name &&
(i == 0 && entry.ParentId == 0 || entry.ParentId == clientPathParts[i - 1].Key);
if (isDirectoryExists && i < clientPathParts.Length - 1)
{
isDirectoryExists = entry.IsDirectory;
}
}
return(isDirectoryExists);
}